Kaoru invites Ten-chan to the Mitarai family beach resort, but reluctantly accepts all his friends. At the beach, Dai-chan wears a flotation device and refuses to go into the ocean.

Misha breaks Kotarou’s deceased mother’s cup. Furious at her, Kotarou tries ignoring Misha. When Misha brings a special glue from Heaven, everyone gets stuck together.

Ten-chan’s uncle gives him tickets to the movies for all their hard work. Upon entering the theater, Kaoru sees Ten-chan with Shia and gets jealous. Nya transforms Kaoru into a demon.

Kotarou’s class is preforming a play on Princess Kaguya, but Ten-chan becomes injured and can no longer preform. Kotarou must take the stage. Can he out preform Dai-chan?

Misha’s sister Sasha comes down from Heaven to check up on Misha. She is horrified to see Misha living with a demon. As Sasha fights with Nya, and Kotarou gets caught in the crossfire.

Hiroshi Mitarai joins Kotarou's class and fights with Ten-chan about his ranking in the National Mock Exams. Hiroshi tries to compete with Ten-chan, but becomes crazy about Misha.

Shino, Kotarou's troublesome cousin, visits while her father is on a business trip. Shino goes to the amusement park with Kotarou and his friends, but learns the truth about her father.

Misha wins tickets for Kotarou and his friends to visit the hot springs. While there chaos ensues and the group of friends meet Shia, who unbeknownst to them is a demon

Misha disturbs Kotarou’s studies to study for her own exam, which is about happiness. Can Misha understand what true happiness is, or is she doomed to keep making Kotarou angry?

The series finale, Misha tries to restore everyone’s memories of Shia. Misha uses her magic, but it backfires, making everyone but Kotarou forget about Misha.

After seeing Misha clinging to Kotarou, Koboshi gets jealous. After seeing gifts Ten-chan received from other girls as a sign of love, Koboshi bakes an apple pie for Kotarou.

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